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A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, The O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12, the arc-shaped end face 12 forms a line seal between the valve body 1 and the valve seat 7, the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.宅男丁一(刘芮麟 饰)是有名的“学霸”，又懒又爱睡觉的他其实拥有不为人知的特殊本领——过目不忘!但这项技能有个致命弱点——只要被惊吓，暂存记忆就会瞬间消失!意外让进入考场的丁一秒变学渣，眼看便要复读间，录取通知书不期而至!丁一阴差阳错被收纳异能少年的“清华”录取。之后他被室友“顽劣”富二代冯子希(范晓东 饰)和天才美少女、心理导师艾美(郑合惠子 饰)意外唤醒潜藏在他体内的异能——超强脑电波......(two) the medical service behavior is real, but the declared items and amounts are not consistent with the real service behavior, and the difference is not big;1938年为使中国空军顺利轰炸日军占领的武汉机场，重庆卫戍区特战队队长欧阳龙带着队员奇袭机场雷达站，虽然胜利完成任务，但特战队遭遇重创。而国民政府对待牺牲和伤残队员的态度，让欧阳龙倍感心寒。加之目睹由国民政府“焦土抗战”导致的长沙大火造成空前灾难，自己的女友也在大火中失踪，更令欧阳龙激愤交加，在被检查出身患肺癌后，他选择了退隐故园。随着国共联合抗战进入到一个新的阶段，欧阳龙投袂而起，决心以有限的生命，为抵御外侮做出最后的贡献。2. Relationship between Supply and Demand of Products9岁的出版社职员黑木沙也加本来准备结婚后圆满退出职场，但是，辞职当天她却遭遇解除婚约。沙也加失去男友没了工作，还被开出“半年以内结婚”才能复职的条件，而开出这个条件的杂志主编、抖S宇佐美博人还要求沙也加在杂志连载结婚前的婚活记录